The Average Velocity (A.V) of car
is 8.33m/s .
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Find the value of 7 then what is the value of the expression -3b2+25
1 answer:
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Answer:
Lines BC and F represent perpendicular lines
Step-by-step explanation:
we have
<em>Line BC</em>
the slope of the line BC is
<em>Line F</em>
the slope of the line F is
we know that
If two lines are perpendicular, then the product of their slopes is equal to -1
so
we have
-----> slope line BC
-----> slope line F
Find the product of their slopes
therefore
Lines BC and F represent perpendicular lines
Answer:
Step-by-step explanation:
Given : sample size : n= 51
sample standard deviation : s= 0.46
Significance level :
Using chi-square distribution, the critical values will be :
Confidence interval for population standard deviation () :
Substitute all the values , we get
Hence, the 95% two-sided confidence interval for σ :